'''Valanginium''' (scilicet "aevum")<ref>''[http://palstrat.uni-graz.at/Stratigraphische_Tabelle_von_Oesterreich_2004.pdf Stratigraphische Tabelle von Österreich 2004]''</ref><ref>Christof Kuhn, "[http://www.geol-info.at/etyploc.htm Etymology of geological time units]"</ref> est [[stadium (stratigraphia)|stadium]] stratigraphicum vel [[aetas (geologia)|aetas]] geologica seriei [[Cretaceum|Cretaceae]] [[Cretaceum inferius|inferioris]]. Milies milium circiter 139.8 annorum [[ante praesentem]] incepit, stadio [[Berriasium|Berriasio]] perfecto, et abhinc milies milium circiter 132.9 annorum ad finem venit, stadio [[Hauterivium|Hauterivio]] incipiente, secundum [[aevum geologicum|scalam aevorum geologicorum]] [[Commissio Internationalis Stratigraphica|Commissionis Internationalis Stratigraphicae]].<ref>"[http://www.stratigraphy.org/index.php/ics-chart-timescale International Chronostratigraphic Chart]"</ref>
Nomen capit ab urbe [[Helvetia|Helvetica]] [[Valangin]].
